Single Phase Load

Always be sure to check the nameplate on the generator and equipment to insure the wattage, amperage and frequency requirements are satisfactorily supplied by the generator for operating the equipment.

Generally, the wattage listed on the nameplate of the equipment is its rated output. Equipment may require 130— 150% more wattage than the rating on the nameplate, as the wattage is influenced by the efficiency, power factor and starting system of the equipment.

NOTE

If wattage is not given on the equipment's name plate, approximate wattage may be determined by multiplying nameplate voltage by the nameplate amperage.

WATTS = VOLTAGE x AMPERAGE

The power factor of this generator is 0.8. See Table 14. below when connecting loads.

DCA-400SPK — LOAD APPLICATION

CAUTION:

Motors and motor-driven equipment draw much greater current for starting than during operation.

An inadequate size connecting cable which cannot carry the required load can cause a voltage drop which can burn out the appliance or tool and overheat the cable.

zWhen connecting a resistance load such as an incandescent lamp or electric heater, a capacity of up to the generating set’s rated output (kW) can be used.

zWhen connecting a fluorescent or mercury lamp, a capacity of up to the generating set’s rated output (kW) multiplied by 0.6 can be used.

zWhen connecting an electric drill or other power tools, pay close attention to the required starting current capacity.

When connecting ordinary power tools, a capacity of up to the generating set’s rated output (kW) multiplied by 0.8 can be used.

Table 14. Power Factor By Load

Type Of Load

Power Factor

 

 

Single-phase induction

0.4 - 0.75

motors

 

Electric heaters,

1.0

incandescent lamps

 

Fluorescent lamps, mercury

0.4 - 0.9

lamps

 

Electronic devices,

1.0

communication equipment

 

Three Phase Load

When calculating the power requirements for 3-phase power use the following equation:

CAUTION:

Before connecting this generator to any building’s electrical system, a licensed electrician must install an isolation (transfer) switch. Serious injury or death may result without this transfer switch.

NOTE

If output (kVA) is not given on the equipment nameplate, approximate output may be determined by multiplying

voltage by amperage by .

PAGE 46 — DCA-400SPK — PARTS AND OPERATION MANUAL— REV. #0 (06/19/01)

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Multiquip DCA-400SPK operation manual Single Phase Load, Three Phase Load
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DCA-400SPK specifications

The Multiquip DCA-400SPK is a powerful and versatile diesel generator designed to meet the demands of both commercial and industrial applications. Known for its robust performance and reliable operation, this generator is engineered to provide consistent power in various environments, making it a go-to solution for contractors, events, and emergency backup needs.

One of the DCA-400SPK's standout features is its Cummins QSB6.7 engine, which provides 400 kVA (kilovolt-amps) of output. This engine is renowned for its fuel efficiency and durability, ensuring that users get the most out of their investment without frequent refueling. The generator is also equipped with a two-pole alternator that contributes to its ability to handle heavy loads without compromising performance.

Another notable characteristic of the DCA-400SPK is its advanced control panel. The generator comes with a fully digital control system that offers real-time monitoring and control of the generator’s functions. This includes features such as automatic voltage regulation (AVR), which ensures stable output voltage, and can be vital for protecting sensitive electronic equipment from power fluctuations.

In terms of sound attenuation, the DCA-400SPK is designed with a sound-attenuated canopy that significantly reduces noise levels during operation. This makes it suitable for use in residential areas or other noise-sensitive locations, allowing for operation without disturbing the surrounding community.

For ease of transport, the generator includes a sturdy frame and is equipped with forklift pockets and lifting hooks. This enhances its portability, making it easier to move from one job site to another. Additionally, the unit offers comprehensive connectivity options, allowing it to interface with remote monitoring systems, which can be essential for maintenance and operational oversight.

The Multiquip DCA-400SPK also features an environmentally friendly design, with a low oil shutdown feature and a robust fuel containment system to prevent spills. This not only ensures compliance with environmental regulations but also enhances the safety of operation.

Overall, the DCA-400SPK stands out as a reliable, efficient, and user-friendly generator that meets the stringent demands of the modern world, making it a preferred choice among professionals in various industries.
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